If you are using Apache 2 as a web server on Linux, you might have seen that directory listing is enabled by default . Directory listing allows anyone to view all the files and subfolders contained in a specific folder, by entering the URL on the browser. The image below is an example of the directory listing that you could see when you visit the fictitious URL www.example.com/images . This might affect some privacy protection rules. In order to disable directory listing, you just need to type the following command from the terminal: sudo a2dismod autoindex